Home / 834,358.39-1,151,407.65-471,853.42

Finding the Fourth Proportional to 834,358.39, 1,151,407.65 and 471,853.42

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Solution

The fourth proportional to 834,358.39, 1,151,407.65 and 471,853.42 is: 651,153.80

Step by Step Solution

  1. Step 1: Write the proportion equation
    834,358.39 : 1,151,407.65 = 471,853.42 : x
  2. Step 2: Convert to fraction form
    834,358.39/1,151,407.65 = 471,853.42/x
  3. Step 3: Cross multiply
    834,358.39x = 1,151,407.65 × 471,853.42
  4. Step 4: Simplify right side
    834,358.39x = 543,295,637,466.66
  5. Step 5: Solve for x
    x = 543,295,637,466.66/834,358.39
  6. Step 6: Final answer
    x = 651,153.80

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Double scale
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1.5x scale

Why These Related Problems?

These problems maintain the same ratio (1.38) or explore similar proportional relationships. Practicing with related ratios helps build understanding of proportional relationships.